SLD (Single Line Diagram) Development

Velosi Integrity & Safety Pakistan develops accurate and compliant Single Line Diagrams (SLDs) to support the safe and efficient operation of industrial electrical networks. Our expert engineers map the complete power distribution architecture to ensure proper load flow, protection device coordination, and compliance with IEC, NEC, and local regulatory standards.

Scope of Velosi’s Services

  • Electrical power flow and distribution mapping
  • Representation of switchgear, transformers, breakers & loads
  • Load calculations and feeder sizing
  • Updating old, missing, or non-compliant SLDs
  • Compliance-ready technical documentation
SLD (Single Line Diagram) Development

Key Benefits

Accurate representation of power hierarchy for safe operation
Clear visibility for fault tracing and system coordination
Reduced downtime through precise maintenance isolation points
Standardized documentation for upgrades, audits, and safety reviews

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Our Experience

Our Case Studies

Our Expertise

Experienced electrical design engineer team
NEC/IEC-compliant diagram development
Software-driven precision (AutoCAD, ETAP)
Fast and accurate site-to-document conversion
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Case Studies